the city is planning to use energy-efficient vehicles, but they'll still produce an estimated 200 tons of co2. and large amounts of electricity will be needed during the 12-day conference itself -- for lighting and air conditioning, for example. that's another 3500 tons of co2. then there's the refreshments served during breaks. and in the evening, the participants will dine in doha's restaurants and hotels. meat, coffee, wine -- it all has to be produced and prepared, and that adds up to another 800 tons of c02. the overnight stays at the hotel, with air conditioning, hot water for showers and fresh towels every day -- that's another 1800 tons co2. summing up, the twelve-day climate summit in qatar will cause a whopping 136,300 tons of co2. that's about the same amount that the mid-sized city of bochum in germany will generate during the same period of time. and we shouldn't expect much by way of new ideas on climate protection from the conference hosts. the tiny desert nation of qatar tops the world in per capita co2 emissions. >> a desert nation sitting on seemingly endless reserves